<template>
	<div class="user-info-head" @click="editCropper()">
		<img :src="options.img" title="点击上传头像" class="img-circle img-lg" />
		<el-dialog v-model="open" :title="title" width="800px" append-to-body @opened="modalOpened" @close="closeDialog">
			<el-row>
				<el-col :xs="24" :md="12" :style="{ height: '350px' }">
					<vue-cropper v-if="visible" ref="cropper" :img="options.img" :info="true" :auto-crop="options.autoCrop"
						:auto-crop-width="options.autoCropWidth" :auto-crop-height="options.autoCropHeight"
						:fixed-box="options.fixedBox" :output-type="options.outputType" @real-time="realTime" />
				</el-col>
				<el-col :xs="24" :md="12" :style="{ height: '350px' }">
					<div class="avatar-upload-preview">
						<img :src="options.previews.url" :style="options.previews.img" />
					</div>
				</el-col>
			</el-row>
			<br />
			<el-row>
				<el-col :lg="2" :md="2">
					<el-upload action="#" :http-request="requestUpload" :show-file-list="false" :before-upload="beforeUpload">
						<el-button>
							选择
							<el-icon class="el-icon--right">
								<Upload />
							</el-icon>
						</el-button>
					</el-upload>
				</el-col>
				<el-col :lg="{ span: 1, offset: 2 }" :md="2">
					<el-button icon="Plus" @click="changeScale(1)"></el-button>
				</el-col>
				<el-col :lg="{ span: 1, offset: 1 }" :md="2">
					<el-button icon="Minus" @click="changeScale(-1)"></el-button>
				</el-col>
				<el-col :lg="{ span: 1, offset: 1 }" :md="2">
					<el-button icon="RefreshLeft" @click="rotateLeft()"></el-button>
				</el-col>
				<el-col :lg="{ span: 1, offset: 1 }" :md="2">
					<el-button icon="RefreshRight" @click="rotateRight()"></el-button>
				</el-col>
				<el-col :lg="{ span: 2, offset: 6 }" :md="2">
					<el-button type="primary" @click="uploadImg()">提 交</el-button>
				</el-col>
			</el-row>
		</el-dialog>
	</div>
</template>

<script setup>
import 'vue-cropper/dist/index.css';
import { VueCropper } from 'vue-cropper';
import { uploadAvatar } from '@/api/system/user';
import { useUserStore } from '@/store/modules/user';
const userStore = useUserStore();
const { proxy } = getCurrentInstance();
const open = ref(false);
const visible = ref(false);
const title = ref('修改头像');

const cropper = ref({});
//图片裁剪数据
const options = reactive({
	img: userStore.avatar,
	autoCrop: true,
	autoCropWidth: 200,
	autoCropHeight: 200,
	fixedBox: true,
	outputType: 'png',
	fileName: '',
	previews: {},
	visible: false
});

/** 编辑头像 */
const editCropper = () => {
	open.value = true;
};
/** 打开弹出层结束时的回调 */
const modalOpened = () => {
	visible.value = true;
};
/** 覆盖默认上传行为 */
const requestUpload = () => { };
/** 向左旋转 */
const rotateLeft = () => {
	cropper.value.rotateLeft();
};
/** 向右旋转 */
const rotateRight = () => {
	cropper.value.rotateRight();
};
/** 图片缩放 */
const changeScale = (num) => {
	num = num || 1;
	cropper.value.changeScale(num);
};
/** 上传预处理 */
const beforeUpload = (file) => {
	if (file.type.indexOf('image/') == -1) {
		proxy?.$modal.msgError('文件格式错误，请上传图片类型,如：JPG，PNG后缀的文件。');
	} else {
		const reader = new FileReader();
		reader.readAsDataURL(file);
		reader.onload = () => {
			options.img = reader.result;
			options.fileName = file.name;
		};
	}
};
/** 上传图片 */
const uploadImg = async () => {
	cropper.value.getCropBlob(async (data) => {
		const formData = new FormData();
		formData.append('avatarfile', data, options.fileName);
		const res = await uploadAvatar(formData);
		open.value = false;
		options.img = res.data.imgUrl;
		userStore.setAvatar(options.img);
		proxy?.$modal.msgSuccess('修改成功');
		visible.value = false;
	});
};
/** 实时预览 */
const realTime = (data) => {
	options.previews = data;
};
/** 关闭窗口 */
const closeDialog = () => {
	options.img = userStore.avatar;
	options.visible = false;
};
</script>

<style lang="scss" scoped>
.user-info-head {
	position: relative;
	display: inline-block;
	height: 120px;
}

.user-info-head:hover:after {
	content: '+';
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	color: #eee;
	background: rgba(0, 0, 0, 0.5);
	font-size: 24px;
	font-style: normal;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	cursor: pointer;
	line-height: 110px;
	border-radius: 50%;
}
</style>
